a numeric transposition of the Girl's name "Elise". Sometimes associated with 3lise "Three - Leese". If you type it in backwards into a standard calculator, and flip the calculator upsidedown, the calculator will spell out "Elise"
I like Elise, she is hot.
*goes all gooey and types her name into the calculator "35173"
*can't be bothered typing in name backwards in calculator, so just types in "37153" and then goes all squishy-goo over his crush on Elise.